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The amniotic sac, or amnion, is a lining (membrane) inside the uterus that contains the fetus and the fluid that cushions the fetus (amniotic fluid). The amniotic sac is also called the "bag of waters."
Current as of:
March 16, 2017
Sarah A. Marshall, MD - Family Medicine & Adam Husney, MD - Family Medicine & William M. Gilbert, MD - Maternal and Fetal Medicine
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